ppm的例句大全

The cording method and the principle of PPM-PTC coder are introduced.

介绍了PPM-PTC编码器的编码实现方法和工作原理；

In the first and proliferative culture, the perfect results belong with ZT 5-10 ppm and 5 ppm.

在初代和增殖培养中, 分别以添加玉米素(ZT)10—15ppm和5ppm可获得理想效果.

Carbon dioxide is a minor but important constituent of the atmosphere, averaging about 0.03% or 300 ppm by volume.

二氧化碳是空气的含量较小但很重要的组成成分，体积比平均约为0.03%或300ppm。

A dosage of 5000-8500 ml in 1000 ppm of achromycin was used for the 11 years old orange trees with trunk diameter between 11.5~ 15cm.

对主干中段的直径为11.5～15厘米的刚发病11龄甜橙树，注入每毫升合1000单位的盐酸四环素溶液5000～8500毫升。

When injected 6 ppm Se and B.S.

在6ppm Se水平，注射2mM/kg体重B.S。

The refining ladle campaign life scored 37 heats. [ O] of bearing steel < 12 ppm and the cleanliness of the steel conies up to the world advanced level and therefore pronounced economical efficiency has been achieved.

精炼钢包寿命达37次，轴承钢经精炼后含氧量小于12ppm，钢的纯洁度达到国际先进水平，经济效益显著。

PPM Pixel Map Header File integrity of the source code can be used directly.

手册像素图头文件完整的源代码可以直接使用.

Irritant. May be a reproductive hazard. Typical PEL 100 ppm.

刺激性. 可能是一个生殖危害. 典型贝利百万分之一百.

Cereal samples contaminated AFB _ 1 were treated with ozone at 20~50 ppm.

用20～50ppm的臭氧处理稻谷中污染黄曲霉毒素B_ 1(AFB_1).